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168
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KDD
2012
ACM
13 years 7 months ago
2012
ACM
Non-negative matrix factorization (NMF) provides a lower rank approximation of a matrix. Due to nonnegativity imposed on the factors, it gives a latent structure that is often mor...
156
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SIGIR
2012
ACM
13 years 7 months ago
2012
ACM
Users increasingly rely on their mobile devices to search local entities, typically businesses, while on the go. Even though recent work has recognized that the ranking signals in...
176
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ICDT
2012
ACM
13 years 7 months ago
2012
ACM
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
111
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DAC
2008
ACM
16 years 5 months ago
2008
ACM
Integrated circuits with bounded lifetimes can have many business advantages. We give some simple examples of m ods to enforce tunable expiration dates for chips using nanom reliab...
121
Voted
WWW
2009
ACM
16 years 5 months ago
2009
ACM
C-SPARQL is an extension of SPARQL to support continuous queries over RDF data streams. Supporting streams in RDF format guarantees interoperability and opens up important applica...